WATCH: U.S. Navy’s New Rail Gun Strikes At 7 Times The Speed Of Sound … 7 Times!!

The U.S. Navy could be on the verge of changing the way that America fights wars.

How so?

With what they’re calling a rail gun.

The rail gun — propelled by an electromagnetic pulse and striking its targets at seven times the speed of sound — introduces what could prove to be a smaller, cheaper, but more destructive weapon that can replace the large, expensive missiles currently stocked on Navy ships.